I agree that the most aggressive and powerful cichlids are CAs as few outside CA have the attitude measurable to Dovii, Trimac or Midas. Pound for pound, Africans may be the most aggressive. But even the most aggressive Africans don't have the power or demeanor to bang glass.
I think what you mentioned about "pound for pound" is key. The reason is these arguments or beliefs with preferences is contradicting. Also, the whole idea is full of bias just based on experiences, and most of all people's preferences. Regarding aggression, the African cichlids could be considered tough. However, most Central and South American cichlids grow considerably larger that most African cichlids, and when the full potential of aggression emerges, the power and aggression most likely will not be matched by most African cichlids. The majority of African cichlids tend to be limited in their size, even when they are adults; the adult aggression tends to be more than juveniles, which most CA/SA cichlids are juveniles when compared fairly to the adult African cichlids. In other words, there really is no fair way of comparing aggression accurately and effectively, when comparing the New World and Old World cichlids. Go ahead, pair a full grown adult male dovii against any adult African cichlid and observe who is the victor...
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